body {
    background: #33cc99;
    color: #fff;
    font-family: 'Open Sans', sans-serif;
    /* max-height: 700px; */
    /* overflow: hidden; */
}

.c {
    text-align: center;
    display: block;
    position: relative;
    width: 80%;
    margin: 100px auto;
}

._404 {
    font-size: 220px;
    position: relative;
    display: inline-block;
    z-index: 2;
    height: 250px;
    letter-spacing: 15px;
}

._1 {
    text-align: center;
    display: block;
    position: relative;
    letter-spacing: 12px;
    font-size: 4em;
    line-height: 80%;
}

._2 {
    text-align: center;
    display: block;
    position: relative;
    font-size: 20px;
}

.text {
    font-size: 70px;
    text-align: center;
    position: relative;
    display: inline-block;
    margin: 19px 0px 0px 0px;
    /* top: 256.301px; */
    z-index: 3;
    width: 100%;
    line-height: 1.2em;
    display: inline-block;
}


.btn {
    background-color: rgb(255, 255, 255);
    position: relative;
    display: inline-block;
    width: 358px;
    padding: 5px;
    z-index: 5;
    font-size: 25px;
    margin: 0 auto;
    color: #33cc99;
    text-decoration: none;
    margin-right: 10px
}

.right {
    float: right;
    width: 60%;
}

hr {
    padding: 0;
    border: none;
    border-top: 5px solid #fff;
    color: #fff;
    text-align: center;
    margin: 0px auto;
    width: 420px;
    height: 10px;
    z-index: -10;
}

hr:after {
    content: "\2022";
    display: inline-block;
    position: relative;
    top: -0.75em;
    font-size: 2em;
    padding: 0 0.2em;
    background: #33cc99;
}

.cloud {
    width: 350px;
    height: 120px;

    background: #FFF;
    background: linear-gradient(top, #FFF 100%);
    background: -webkit-linear-gradient(top, #FFF 100%);
    background: -moz-linear-gradient(top, #FFF 100%);
    background: -ms-linear-gradient(top, #FFF 100%);
    background: -o-linear-gradient(top, #FFF 100%);

    border-radius: 100px;
    -webkit-border-radius: 100px;
    -moz-border-radius: 100px;

    position: absolute;
    margin: 120px auto 20px;
    z-index: -1;
    transition: ease 1s;
}

.cloud:after,
.cloud:before {
    content: '';
    position: absolute;
    background: #FFF;
    z-index: -1
}

.cloud:after {
    width: 100px;
    height: 100px;
    top: -50px;
    left: 50px;

    border-radius: 100px;
    -webkit-border-radius: 100px;
    -moz-border-radius: 100px;
}

.cloud:before {
    width: 180px;
    height: 180px;
    top: -90px;
    right: 50px;

    border-radius: 200px;
    -webkit-border-radius: 200px;
    -moz-border-radius: 200px;
}

.x1 {
    top: -50px;
    left: 100px;
    -webkit-transform: scale(0.3);
    -moz-transform: scale(0.3);
    transform: scale(0.3);
    opacity: 0.9;
  
}

.x1_5 {
    top: -80px;
    left: 250px;
    -webkit-transform: scale(0.3);
    -moz-transform: scale(0.3);
    transform: scale(0.3);
   
}

.x2 {
    left: 250px;
    top: 30px;
    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.6;
    
}

.x3 {
    left: 250px;
    bottom: -70px;

    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.8;
 
}

.x4 {
    left: 470px;
    bottom: 20px;

    -webkit-transform: scale(0.75);
    -moz-transform: scale(0.75);
    transform: scale(0.75);
    opacity: 0.75;

    

 
@-webkit-keyframes moveclouds {
    0% {
        margin-left: 1000px;
    }

    100% {
        margin-left: -1000px;
    }
}

@-moz-keyframes moveclouds {
    0% {
        margin-left: 1000px;
    }

    100% {
        margin-left: -1000px;
    }
}

@-o-keyframes moveclouds {
    0% {
        margin-left: 1000px;
    }

    100% {
        margin-left: -1000px;
    }
}

}